From: Dave Jones <davej@redhat.com>
To: Hugh Dickins <hugh@veritas.com>
Cc: Andrew Morton <akpm@osdl.org>,
Anton Altaparmakov <aia21@cam.ac.uk>,
Jonathan Woithe <jwoithe@physics.adelaide.edu.au>,
linux-kernel@vger.kernel.org
Subject: Re: Fw: 2.6.17 oops, possibly ntfs/mmap related
Date: Thu, 21 Sep 2006 15:24:27 -0400 [thread overview]
Message-ID: <20060921192427.GD17065@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0609211944500.20970@blonde.wat.veritas.com>
On Thu, Sep 21, 2006 at 08:04:49PM +0100, Hugh Dickins wrote:
> BUG: unable to handle kernel paging request at virtual address 0010c744
> printing eip:
> c013be50
> *pde = 00000000
> Oops: 0002 [#1]
> Modules linked in: ntfs 8139too via_agp agpgart usb_storage ehci_hcd uhci_hcd usbcore
> CPU: 0
> EIP: 0060:[<c013be50>] Tainted: G M VLI
> EFLAGS: 00010282 (2.6.17 #2)
> EIP is at anon_vma_unlink+0x16/0x3c
> eax: 0010c740 ebx: cf1070cc ecx: cf107104 edx: cf8bc740
> esi: cf8bc740 edi: b7e82000 ebp: 00000000 esp: cdad7f58
>
> I haven't worked out the disassembly in detail to support the idea
> (though certainly anon_vma_unlink would be trying to list_del around
> here), but that eax and esi do suggest a corrupted list: somehow the
> top half of a pointer overwritten by the top half of LIST_POISON1.
>
> And in Anton's case, the top half of a pointer overwritten by the
> bottom half of LIST_POISON2.
>
> Maybe just coincidence, and I've nothing more illuminating to add;
> but just a hint of a list_del going very wrong somewhere?
Given a machine check happened, the state of the machine in general
is questionable. I'd recommend a run of memtest86+
Dave
next prev parent reply other threads:[~2006-09-21 19:25 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20060912205602.57568b2a.akpm@osdl.org>
2006-09-21 9:54 ` Fw: 2.6.17 oops, possibly ntfs/mmap related Anton Altaparmakov
2006-09-21 14:41 ` Anton Altaparmakov
2006-09-21 17:52 ` Andrew Morton
2006-09-21 19:04 ` Hugh Dickins
2006-09-21 19:24 ` Dave Jones [this message]
2006-09-22 7:17 ` Jonathan Woithe
2006-09-22 15:40 ` Dave Jones
2006-09-24 23:49 ` Jonathan Woithe
2006-09-22 6:59 ` Anton Altaparmakov
2006-09-22 7:23 ` Jonathan Woithe
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